#include<stdio.h>

int main()
{

    char a[100]="hello";
    char *b="world";
    a[0]++;
    puts(a);
    char c[1000];
    b=c;
    strcpy(b,a);//b=a;
    //a=b;//error should strcpy(a,b)
    //b[0]++;
   // puts(a);


}
